Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Kamellia Dalaei"'
Publikováno v:
Materials, Vol 10, Iss 6, p 593 (2017)
Evaluation of residual stress in the weld toe region is of critical importance. In this paper, the residual stress distribution both near the surface and in depth around the weld toe was investigated using neutron diffraction, complemented with X-ray
Externí odkaz:
https://doaj.org/article/b35ad56c7b304488a8ba0e13385db842
Publikováno v:
International Journal of Fatigue. 97:39-47
Application of Low Transformation Temperature (LTT) consumables in welding is a recent approach to increase the fatigue strength of welds. In this paper high strength steels with yield strengths ranging from 650 to 1021 MPa were fillet and butt welde
Publikováno v:
International Journal of Fatigue. 77:160-165
The weld toe is one of the most probable fatigue crack initiation sites in welded components. In this paper, the relative influences of residual stresses and weld toe geometry on the fatigue life of cruciform welds was studied. Fatigue strength of cr
Publikováno v:
Materials, Vol 10, Iss 6, p 593 (2017)
Materials; Volume 10; Issue 6; Pages: 593
'Materials ', vol: 10, pages: 593-1-593-14 (2017)
Materials
Materials; Volume 10; Issue 6; Pages: 593
'Materials ', vol: 10, pages: 593-1-593-14 (2017)
Materials
Evaluation of residual stress in the weld toe region is of critical importance. In this paper, the residual stress distribution both near the surface and in depth around the weld toe was investigated using neutron diffraction, complemented with X-ray
Autor:
Richard J. Moat, H. K. D. H. Bhadeshia, M. A. Gharghouri, Kamellia Dalaei, T. I. Ramjaun, Leif Karlsson, Howard J. Stone
Publikováno v:
Science and Technology of Welding and Joining. 19:623-630
Tensile residual stresses at the surface of welded components are known to compromise fatigue resistance through the accelerated initiation of microcracks, especially at the weld toe. Inducement of compression in these regions is a common technique e
Autor:
Leif Karlsson, H.K.D.H. Bhadeshia, S. W. Ooi, T. I. Ramjaun, Kamellia Dalaei, Joe Kelleher, J. R. Kornmeier, Howard J. Stone
Publikováno v:
Science and Technology of Welding and Joining. 19:461-467
Transformation plasticity can be utilised to control residual stresses in steel welds. This requires special filler alloys that transform at a sufficiently low temperature to compensate for accumul ...
Autor:
Richard J. Moat, H. K. D. H. Bhadeshia, Kamellia Dalaei, Leif Karlsson, Howard J. Stone, Joe Kelleher, T. I. Ramjaun, J. R. Kornmeier
Publikováno v:
Science and Technology of Welding and Joining. 19:44-51
Weld filler alloys that exploit transformation plasticity through low austenite to martensite transformation temperatures offer an effective method of reducing residual stresses in strong steel wel ...
Autor:
Birger Karlsson, Kamellia Dalaei
Publikováno v:
International Journal of Fatigue. 38:75-83
The influence of shot peening on the fatigue durability of normalized carbon steels subjected to variable amplitude loading has been investigated. The relaxation of residual stresses was recorded during the fatigue life time. Strain amplitude spectra
Autor:
Kamellia Dalaei, Birger Karlsson
Publikováno v:
Materials Science and Engineering: A. 528:7323-7330
The present investigation deals with the effect of overloads on the stress relaxation and fatigue life time of shot-peened near-pearlitic steels. Single cycles with a total strain amplitude of 0.6 % with start in tension or compression were exerted e
Publikováno v:
Materials Science and Engineering: A. 528:1008-1015
Mechanical surface treatment methods such as shot peening may improve the fatigue strength of materials. In this study, the effect of shot peening on strain controlled constant amplitude fatigue lo ...